Layer #1:

2 (10 oz. ea.) pkgs. frozen broccoli, cooked (can be chopped)

Layer #2:

2 cans cream of chicken soup
1 cup mayonnaise
1 tsp. lemon juice
2 lbs. cooked chicken, cut up

Layer #3:

3/4 cup sharp grated cheese
3/4 cup bread crumbs
1/4 cup (1/2 stick) melted butter (optional)

Alternate layers #1, #2, #3 in 13x9x2-inch casserole dish. Top with bread crumbs. Pour 1/4 cup (1/2 stick) melted butter over top (if desired). Bake for 1 hour at 350°F.